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Finding the Fourth Proportional to 100,181.89, 150,328.17 and 55,833.63

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Solution

The fourth proportional to 100,181.89, 150,328.17 and 55,833.63 is: 83,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,181.89 : 150,328.17 = 55,833.63 : x
  2. Step 2: Convert to fraction form
    100,181.89/150,328.17 = 55,833.63/x
  3. Step 3: Cross multiply
    100,181.89x = 150,328.17 × 55,833.63
  4. Step 4: Simplify right side
    100,181.89x = 8,393,367,143.19
  5. Step 5: Solve for x
    x = 8,393,367,143.19/100,181.89
  6. Step 6: Final answer
    x = 83,781.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.